APA (7th ed.) Zitazioa
Sampson, G. (1980). Schools of linguistics. Stanford University Press.
Chicago Style (17th ed.) Zitazioa
Sampson, Geogrey. Schools of Linguistics. Stanford, California: Stanford University Press, 1980.
MLA (9th ed.) Zitazioa
Sampson, Geogrey. Schools of Linguistics. Stanford University Press, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.